| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 46.34 | ||
| 1 | 13 | 54.51 | ||
| 1 | 22 | NS | ||
| 2 | 3 | 44.08 | ||
| 2 | 20 | 1:05.25 | ||
| 2 | 12 | 54.13 | ||
| 3 | 2 | 43.17 | ||
| 3 | 11 | 53.03 | ||
| 3 | 19 | 1:01.81 | ||
| 4 | 14 | 55.35 | ||
| 4 | 7 | 47.04 | ||
| 4 | 18 | 1:00.05 | ||
| 5 | 22 | NS | ||
| 5 | 16 | 57.85 | ||
| 5 | 4 | 46.08 | ||
| 6 | 15 | 57.34 | ||
| 6 | 1 | 41.20 | ||
| 6 | 10 | 52.97 | ||
| 7 | 21 | 1:11.57 | ||
| 7 | 9 | 52.05 | ||
| 7 | 8 | 47.39 | ||
| 8 | 22 | DQ | ||
| 8 | 6 | 46.82 | ||
| 8 | 17 | 58.98 |